NEW YORK, Feb. 16 (UPI) -- In a speech in New York City's Harlem neighborhood Tuesday, Democratic candidate Hillary Clinton discussed systemic racism and called on white Americans to do their part to "practice humility." "White Americans need to do a better job of listening when African Americans talk about the seen and unseen barriers that you face every day," she told a crowd at the Schomburg Center for Research in Black Culture on Monday. "We need to recognize our privilege and practice humility, rather than assume that our experiences are everyone's experiences." The speech was also to unveil her...